1368773424 has 160 divisors (see below), whose sum is σ = 4121879040. Its totient is φ = 434066688.

The previous prime is 1368773387. The next prime is 1368773431. The reversal of 1368773424 is 4243778631.

Its product of digits (677376) is a multiple of the sum of its prime factors (784).

It is a self number, because there is not a number n which added to its sum of digits gives 1368773424.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3447594 + ... + 3447990.

It is an arithmetic number, because the mean of its divisors is an integer number (25761744).

Almost surely, 2^1368773424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1368773424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2060939520).

1368773424 is an abundant number, since it is smaller than the sum of its proper divisors (2753105616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1368773424 is a wasteful number, since it uses less digits than its factorization.

1368773424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784 (or 772 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 1368773424 is about 36996.9380354645. The cubic root of 1368773424 is about 1110.3089862963.

The spelling of 1368773424 in words is "one billion, three hundred sixty-eight million, seven hundred seventy-three thousand, four hundred twenty-four".